Use Call Keyword In VB / VBA?
Apr 4, 2010
I use the Call keyword when calling subs in VB/VBA. I know it's optional, but is it better to use it or leave it off? I've always thought it was more explicit, but maybe it's just noise. Also, I read this on another forum: Using the Call keyword is faster because it knows that it is not going to return any values, so it doesn't need to set up any stackspace to make room for the return value.
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May 17, 2011
I connected to the Informix server using RazorSQL, created a stored procedure and tested it, getting the expected answer, so the procedure exists in the database in some form.
I then run the following code:
If ConnectToInformix() Then
Dim cmd As New IfxCommand("dc_routeHasOutstandingQuantity", conn)
cmd.CommandType = CommandType.StoredProcedure
[Code]....
This error does not occur when calling the stored procedure from a live SQL connection.
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Mar 22, 2012
I want to create an ExpressionTree where a Func(of Vector, Vector, Vector, Vector, Double, Double, Vektor) should be called. So I use
Expression.Call(Forces(0).Function.Method, {Vec1, Vec2, Vec3, Vec4, Double1, Double2})(Vec1-4, Double1-2 are declared as ParameterExpression and Forces(0).Function as Func(of Vector, Vector, Vector, Vector, Double, Double, Vector). But I get an AgrumentException, because Forces(0).Function.Method has seven Arguments. (System.Runtime.CompilerServices.Closure as seventh argument at Index 0).
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May 25, 2011
Protected Sub Menu1_MenuItemClick(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.MenuEventArgs) Handles Menu1.MenuItemClick
End Sub
In VB.net, we have the Handles keyword, I'm wondering if C# has anything comparable. Or do you have to manually wire all the methods to each control's event (in ASP.NET especially)?
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Jun 6, 2011
Possible Duplicate: WITH statement in Java? does anyone know if there is the With Keyword in Java?
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Jul 13, 2010
why use of namespace and use keyword and declaration of namespace
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May 7, 2011
Possible Duplicate:Default value for generics k so while translating some code from c# to vb, i came across the default keyword, and I'm simply replacing it to nothing.
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Oct 29, 2010
In my current project everyone names variables and methods after what they are and what they do. This is good for quickly understanding the code, but with a lot of long varible names comes some headaches, such as when copying a dataset to an entity/object. So, while you understand the code, the readability still takes a blow.
veryLongVariableName.Id = datasetVeryLongVariableName.Id
veryLongVariablename.Something = datasetVeryLongVariableName.Something
etc.
Using VB.NET's With keyword can help.
With veryLongVariableName
.Id = datasetVeryLongVariableName.Id
.Something = datasetVeryLongVariableName.Something
End With
Now, my question, is there any way of using With, or something similar, but for several variables at the same time? Something like:
With veryLongVariableName As a, datasetVeryLongVariableName as b
a.Id = b.Id
a.Something = b.Something
End With
I'm all for descriptive naming conventions, but they do tend to clutter things. Especially in VB!
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Oct 26, 2009
I m trying to create a software in vb.net for some genealogists to trace their ancestors History, the users will search for the document in 3 ways
1. reference number from a combo box.
2. By the title of the document.
3. by inserting a keyword from the documents abstract..
i have already loaded the picture. i hav put all in one note pad my reference no., on next line i put my abstract and on the third line i put my path where the document is located.in coding i put all in different array.... making the program read all one by one line wise.i want to make search thru the keyword... means wen user inserts a key word in the textbox the program read all my abstract and then in a drop down it should display the documents that match the keyword.
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May 17, 2012
Its work well in windows 7 but when i run project in windows xp its says i must use New keyword but when i use New its gives error at regkey.GetValueNames and RegistryKey = Registry.LocalMachine and regBaseKey.OpenSubKey("SOFTWAREMyApp", FalseImports Microsoft.Win32[code]...
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Mar 13, 2012
in C# you'd put a @ in front of a reserved keyword. Is there any equivalent in vb .net?
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May 3, 2011
I have to serialize/deserialize a class into a JSON string/and return. The JSON Strinig must contain the "error" string (like: {error:"something strange occoured", id:23, result:"xxxxx"}), which specifies the occoured error.
How can i implement a class like:
[code]...
If i do this, the word 'error' is invalid.
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Dec 1, 2011
First off let me say that I am essentially new to VB.NET, i.e; still learning. Also, I hope that this is the right place to post this question. In a Project I have a Class module defined as:
Public Class Def
Public Id As String
Public Meaning As String
[Code]...
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Jul 1, 2009
I have to inherit some legacy code in company, which is written in Visual Basic.NET 7.0 (Visual Studio.NET 2002). I don't have much experiences in VB.NET, and this line of code gets me in trouble:
Public Class Global : Inherits System.Web.HttpApplication
Visual Studio gave this error: Error 31Keyword is not valid as an identifier.C:Documents and SettingsAdministratorDesktopPOManWebApplication1Global.asax.vb414C:...POMan
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May 11, 2011
What is this keyword how can use it?If Page.IsPostBack = False Then
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Nov 1, 2011
I generally use to organize codes below lines;
#Region "Comments.."
#End Region
But when I want to use it in the Function, it gives error ("..are not valid within..."). Are there any keyword to make this in the Function or there aren't? [Code]
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Feb 17, 2010
I generally use to organize codes below lines;#Region "Comments.."#End RegionBut when I want to use it in the Function, it gives error ("..are not valid within...").
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Aug 26, 2011
I'm still new in VB.net development environment, i've few of the question may need the advice from you guys to see whether i'm in the right track for the development as below condition:Basically my program wrote from this logics:
Condition:
2 log files available in C drive that is C:/BSKYB/Prod.txt
and C:/BSKYB_CWE/many of log files in .txt format
Program Flow:
Step 1: The program will read the last sentence Hexa number from the file "Prod.txt"
Step 2: Once the program detecting the keyword like example "abcde" it will go to another folder which is descript in C:/BSKYB_CWE to look at which text files contains the keyword "abcde"
Step 3: this step will capture the whole line the text info like example 1111 abcde
if in this case, once the abcde detected what is the command i should apply to capture the key word 1111 ?
This is the problem i have encounter right now, i doesn't know how is actually can apply the right method to read the whole text line once the key word is detected
Public Class Form1
' Const ConstBSKYB = "C:BSKYB_CWE.txt "
'Const ConstBSKYBP = "C:BSKYBProd.txt"[code].....
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Apr 11, 2010
We have a keyword 'app.path' in VB6 What is the equivalent key word in VB.NET
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Mar 3, 2009
In C# you can do this to make your member variable immutable: public readonly int y = 5; What is the equivalent "readonly" keyword in VB.NET?
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Feb 4, 2012
I am aware of the 'topmost' keyword in VB.NET for specifying a window to be brought to the front or top of the display windows showing. However, specifying 'xlApp.topmost' is resulting in a compile error in my VB 2010 Express project; most likely because my project doesn't include a reference that it needs for 'xlApp.topmost' to start working. What reference do I need to add?
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Apr 14, 2009
Most of our development is done in vb.net (not my choice) and one frequently used code pattern uses an 'On Error GoTo' followed by a 'Resume Next' so that all database fields can be read with a DirectCast() and any DBNull values are just ignored.
The current code would be
On Error GoTo error_code
oObject.Name = DirectCast(oReader.Item("Name"), String)
[code].....
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Nov 9, 2011
Possible Duplicates: Translation of yield into VB.NETYield In VB.NETI try to convert the C# yield to VB.NET but i found there is no yield in VB.NET
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May 12, 2011
I am implementing the show-message extension found on this blog: url...the programmer makes clever reuse of his enum to build css attribuuts but in vb.net.[code]but visual studio keeps giving an error on the Error enum. Is there a prefix i can use to tell visual studio its ok to use error as enum ?
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Jun 15, 2011
I am new to VB.NET. I'm trying to add a table to an ASPX page. But I get the above error with the following code. Can you tell what I am doing wrong? I want many table rows returned; one for each product, where first cell = product name, cell 2 = NumOpen, and cell 3 = 95%.[code]
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Dec 8, 2010
Currently using Microsoft SQL server 2008 in Visual Studio 2010
spot the mistake near the keyword 'INNER'
Dim selectSQL As String _
= "SELECT M.MID, M.MT, MS.SD, MS.TS" _
& "FROM M " _
[Code]....
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Jun 13, 2012
I receive teh following error message;
Incorrect sytnax near the keyword 'where'
query = "INSERT INTO dbo.TblPracExclude (prac_no, prac_name, prac_status, prac_enabled) VALUES (" & _
DgvPracExcl.Rows(RowID).Cells(0).Value & ", '" & _
[Code]....
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Oct 27, 2010
From what I can see online the Overloads keyword is optional but is there ever a time when it is necessary? It even seems to be an error when used in a Module.
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Apr 13, 2010
Is the Is VB.NET keyword the same as Object.ReferenceEquals?
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Mar 29, 2011
why i having this error and how can i encounter this error
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim connection As New SqlClient.SqlConnection
[code].....
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